Finding the Fourth Proportional to 2,130,296.50, 3,195,510.36 and 931,601.80
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Solution
The fourth proportional to 2,130,296.50, 3,195,510.36 and 931,601.80 is: 1,397,431.39
Step by Step Solution
- Step 1: Write the proportion equation
2,130,296.50 : 3,195,510.36 = 931,601.80 : x - Step 2: Convert to fraction form
2,130,296.50/3,195,510.36 = 931,601.80/x - Step 3: Cross multiply
2,130,296.50x = 3,195,510.36 × 931,601.80 - Step 4: Simplify right side
2,130,296.50x = 2,976,943,203,294.65 - Step 5: Solve for x
x = 2,976,943,203,294.65/2,130,296.50 - Step 6: Final answer
x = 1,397,431.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.